August 2020 - Page 39 of 69

How to Install Graylog Log Management on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Graylog Log Management on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install graylog log management on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Cómo instalar Apache Tomcat 9 en Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar Apache Tomcat 9 en Ubuntu 18.04

Apache Tomcat es un servidor web y contenedor de servlets que se utiliza para presentar aplicaciones Java. Tomcat es una implementación de código abierto de las tecnologías Java Servlet y JavaServer Pages publicada por la Apache Software Foundation. En este tutorial se abordan…

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Cómo escribir su primer programa en Go — step-by-step Programming tutorial on Progressive Robot

Cómo escribir su primer programa en Go

El programa “Hello, World!” es un clásico y una tradición reconocida en la programación computacional. Se trata de un primer programa sencillo y completo para principiantes y es una buena alternativa para garantizar que su entorno se configure de manera adecuada. Este…

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Ubuntu 20.04 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — sane-backends — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4470-1 Related CVEs: CVE-2017-6318 CVE-2020-12861 CVE-2020-12862 CVE-2020-12863 CVE-2020-12864 CVE-2020-12865 CVE-2020-12866 CVE-2020-12867 Upstream summary: Kritphong Mongkhonvanit discovered that sane-backends incorrectly handled certain packets. A remote attacker could possibly use this issue […]

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How To Use Winston to Log Node.js Applications on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use Winston to Log Node.js Applications on Ubuntu 20.04

Winston is a versatile logging library and a popular logging solution available for Node.js applications. Winston’s features include support for multiple storage options, log levels, log queries, and a built-in profiler. In this tutorial, you will use Winston to log a Node/Express application that you’ll create as part of this process. You’ll also see how to combine Winston with Morgan, another popular HTTP request middleware logger for Node.js.

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How To Use Roles and Environments in Chef to Control Server Configurations — step-by-step DevOps tutorial on Progressive Robot

How To Use Roles and Environments in Chef to Control Server Configurations

In previous guides, we discussed Chef terminology, how to install a Chef server, workstation, and node (with Chef 12 or Chef 11), and how to create simple cookbooks to manage configuration. In this guide, we will continue to explore how you can manage your environment with Chef. We will discuss how to use roles and environments to differentiate your servers and services based on what kind of functionality they should exhibit.

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How to Set Up Static Networking with nmcli on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Static Networking with nmcli on RHEL 10

Introduction How to Set Up Static Networking with nmcli on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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How To Set Up Visual Studio Code (VS Code) for PHP Development — step-by-step Programming tutorial on Progressive Robot

How To Set Up Visual Studio Code (VS Code) for PHP Development

Visual Studio Code, also known as VS Code, is a free source code editor software or IDE (integrated development environment) available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be customized to serve a wide variety of development needs. In this guide, you’ll learn how to set up Visual Studio Code for working on PHP projects.

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